* {

        /* 全屏视频容器 */
        .video-fullscreen-with-text {
            width: 100vw;
            height: 100vh;
            position: relative;
            overflow: hidden;
        }

        /* 全屏视频样式 */
        .video-fullscreen-with-text video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            image-rendering: -webkit-optimize-contrast;
        }

        /* 文字容器：垂直水平居中（方便调整两行文字的间距） */
        .text-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10;
            text-align: center;
        }

        .title {
            font-size: 2.2vw;
            color: #ffffff;
            font-weight: bold;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9);
            margin-bottom: 1vw; /* 两行文字间距 */
        }

        .title2 {
            font-size: 3.0vw;
            color: #f0f0f0;
            font-weight: bold;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9);
        }

        .title2 span {
            color: #0084FF;
            font-weight: bold;
        }

        /* 小屏适配 */
        @media screen and (max-width: 768px) {
            .title {
                font-size: 6vw;
            }
            .title2 {
                font-size: 3.5vw;
            }
        }